text: from pynt import task
  
  
  @task()
  def clean():
      """Clean build directory."""
  
      print("clean")
  
  @task(clean)
  def html():
      """Generate HTML."""
      print("html")
  
  @task(clean)
  def images():
      """Prepare images."""
  
      print("images")
  
  @task()
  def _common_private_task():
      """Package iOS app."""
      print("os agnostic task")
  
  @task(clean, html, images, _common_private_task)
  def android():
      """Package Android app."""
      print("android")
  
  @task(clean, html, images, _common_private_task)
  def ios():
      """Package iOS app."""
      print("ios")
  
  
  def some_utility_method():
      """Some utility method."""
      print("some utility method")
  